Hydrocarbons - Result Question 7

####7. Which of the following conformers for ethylene glycol is most stable?

[2010]

(a)OC1CC2CC3CCC(C2)C1C3O

(b)

(c)

(d)

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Solution:

  1. (a) Due to hydrogen bonding between the two $OH$ groups, gauche conformation of ethylene glycol (a) is the most stable conformation.C1C[C@@H]2C[C@@H]3OOC4CC1C2C43


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